/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#include <iomanip>
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkCommand.h"
#include "itkSimpleFilterWatcher.h"

#include "itkParabolicOpenImageFilter.h"
#include "itkTimeProbe.h"
#include "itkMultiThreaderBase.h"

int
itkParaOpenTest(int argc, char * argv[])
{
  itk::MultiThreaderBase::SetGlobalMaximumNumberOfThreads(1);
  constexpr int dim = 2;

  using PType = unsigned char;
  using IType = itk::Image<PType, dim>;

  using ReaderType = itk::ImageFileReader<IType>;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName(argv[1]);
  try
  {
    reader->Update();
  }
  catch (itk::ExceptionObject & excp)
  {
    std::cerr << excp << std::endl;
    return EXIT_FAILURE;
  }

  using FilterType = itk::ParabolicOpenImageFilter<IType, IType>;

  FilterType::Pointer filter = FilterType::New();

  filter->SetInput(reader->GetOutput());
  filter->SetSafeBorder(true);
  FilterType::RadiusType scale;
  scale[0] = 1;
  scale[1] = 0.5;
  filter->SetScale(scale);

  filter->SetParabolicAlgorithm(FilterType::INTERSECTION);
  try
  {
    filter->Update();
  }
  catch (itk::ExceptionObject & excp)
  {
    std::cerr << excp << std::endl;
    return EXIT_FAILURE;
  }

  using WriterType = itk::ImageFileWriter<IType>;
  WriterType::Pointer writer = WriterType::New();
  writer->SetInput(filter->GetOutput());
  writer->SetFileName(argv[2]);
  try
  {
    writer->Update();
  }
  catch (itk::ExceptionObject & excp)
  {
    std::cerr << excp << std::endl;
    return EXIT_FAILURE;
  }

  if (argc > 3)
  {
    // testing equivalence
    filter->SetParabolicAlgorithm(FilterType::CONTACTPOINT);
    try
    {
      filter->Update();
    }
    catch (itk::ExceptionObject & excp)
    {
      std::cerr << excp << std::endl;
      return EXIT_FAILURE;
    }
    writer->SetFileName(argv[3]);
    try
    {
      writer->Update();
    }
    catch (itk::ExceptionObject & excp)
    {
      std::cerr << excp << std::endl;
      return EXIT_FAILURE;
    }
  }

  return EXIT_SUCCESS;
}
